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76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
from micropython import const
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from trezor.enums import MessageType
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TX_TYPE = bytearray("\x00\x00\x00\x02")
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# source: https://github.com/stellar/go/blob/3d2c1defe73dbfed00146ebe0e8d7e07ce4bb1b6/xdr/Stellar-transaction.x#L16
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# Inflation not supported see https://github.com/trezor/trezor-core/issues/202#issuecomment-393342089
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op_codes = {
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MessageType.StellarAccountMergeOp: 8,
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MessageType.StellarAllowTrustOp: 7,
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MessageType.StellarBumpSequenceOp: 11,
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MessageType.StellarChangeTrustOp: 6,
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MessageType.StellarCreateAccountOp: 0,
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MessageType.StellarCreatePassiveOfferOp: 4,
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MessageType.StellarManageDataOp: 10,
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MessageType.StellarManageOfferOp: 3,
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MessageType.StellarPathPaymentOp: 2,
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MessageType.StellarPaymentOp: 1,
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MessageType.StellarSetOptionsOp: 5,
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}
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op_wire_types = [
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MessageType.StellarAccountMergeOp,
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MessageType.StellarAllowTrustOp,
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MessageType.StellarBumpSequenceOp,
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MessageType.StellarChangeTrustOp,
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MessageType.StellarCreateAccountOp,
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MessageType.StellarCreatePassiveOfferOp,
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MessageType.StellarManageDataOp,
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MessageType.StellarManageOfferOp,
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MessageType.StellarPathPaymentOp,
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MessageType.StellarPaymentOp,
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MessageType.StellarSetOptionsOp,
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]
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# https://github.com/stellar/go/blob/e0ffe19f58879d3c31e2976b97a5bf10e13a337b/xdr/xdr_generated.go#L584
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ASSET_TYPE_NATIVE = const(0)
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ASSET_TYPE_ALPHANUM4 = const(1)
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ASSET_TYPE_ALPHANUM12 = const(2)
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# https://www.stellar.org/developers/guides/concepts/accounts.html#balance
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# https://github.com/stellar/go/blob/3d2c1defe73dbfed00146ebe0e8d7e07ce4bb1b6/amount/main.go#L23
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AMOUNT_DECIMALS = const(7)
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# https://github.com/stellar/go/blob/master/network/main.go
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NETWORK_PASSPHRASE_PUBLIC = "Public Global Stellar Network ; September 2015"
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NETWORK_PASSPHRASE_TESTNET = "Test SDF Network ; September 2015"
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# https://www.stellar.org/developers/guides/concepts/accounts.html#flags
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FLAG_AUTH_REQUIRED = const(1)
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FLAG_AUTH_REVOCABLE = const(2)
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FLAG_AUTH_IMMUTABLE = const(4)
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FLAGS_MAX_SIZE = const(7)
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# https://github.com/stellar/go/blob/e0ffe19f58879d3c31e2976b97a5bf10e13a337b/xdr/Stellar-transaction.x#L275
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MEMO_TYPE_NONE = const(0)
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MEMO_TYPE_TEXT = const(1)
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MEMO_TYPE_ID = const(2)
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MEMO_TYPE_HASH = const(3)
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MEMO_TYPE_RETURN = const(4)
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# https://github.com/stellar/go/blob/3d2c1defe73dbfed00146ebe0e8d7e07ce4bb1b6/xdr/xdr_generated.go#L156
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SIGN_TYPE_ACCOUNT = const(0)
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SIGN_TYPE_PRE_AUTH = const(1)
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SIGN_TYPE_HASH = const(2)
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SIGN_TYPES = (SIGN_TYPE_ACCOUNT, SIGN_TYPE_HASH, SIGN_TYPE_PRE_AUTH)
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def get_op_code(msg) -> int:
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wire = msg.MESSAGE_WIRE_TYPE
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if wire not in op_codes:
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raise ValueError("Stellar: op code unknown")
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return op_codes[wire]
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